As the release of The Fantastic Four: First Steps inches closer, the fans are excited to witness the biggest fight of the decade, which is Marvel's first family, Fantastic Four versus Galactus. Adding to the thrill, director Matt Shakman recently revealed in an interview that the powerhouse director duo Joe and Anthony Russo have taken charge of a key post-credit scene in the film. While speaking to Comic Book Movie, Matt Shakman explained, "Working at Marvel is like running a relay race - you pass the baton... I passed it on to Joe and Anthony, and they're off and running.